DS2155 Просмотр технического описания (PDF) - Dallas Semiconductor -> Maxim Integrated
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DS2155 Datasheet PDF : 240 Pages
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DS2155
12. I/O PIN CONFIGURATION OPTIONS.................................................................................................71
13. LOOPBACK CONFIGURATION ..........................................................................................................73
13.1 PER-CHANNEL LOOPBACK ......................................................................................................................75
14. ERROR COUNT REGISTERS ...............................................................................................................77
14.1 LINE-CODE VIOLATION COUNT REGISTER (LCVCR).............................................................................78
14.1.1 T1 Operation.......................................................................................................................................78
14.1.2 E1 Operation.......................................................................................................................................78
14.2 PATH CODE VIOLATION COUNT REGISTER (PCVCR) ............................................................................80
14.2.1 T1 Operation.......................................................................................................................................80
14.2.2 E1 Operation.......................................................................................................................................80
14.3 FRAMES OUT-OF-SYNC COUNT REGISTER (FOSCR)..............................................................................81
14.3.1 T1 Operation.......................................................................................................................................81
14.3.2 E1 Operation.......................................................................................................................................81
14.4 E-BIT COUNTER (EBCR).........................................................................................................................82
15. DS0 MONITORING FUNCTION ...........................................................................................................83
16. SIGNALING OPERATION .....................................................................................................................85
16.1 RECEIVE SIGNALING ...............................................................................................................................85
16.1.1 Processor-Based Signaling.................................................................................................................85
16.1.2 Hardware-Based Receive Signaling ...................................................................................................86
16.2 TRANSMIT SIGNALING.............................................................................................................................91
16.2.1 Processor-Based Mode .......................................................................................................................91
16.2.2 Software Signaling Insertion-Enable Registers, E1 CAS Mode..........................................................95
16.2.3 Software Signaling Insertion-Enable Registers, T1 Mode..................................................................97
16.2.4 Hardware-Based Mode.......................................................................................................................97
17. PER-CHANNEL IDLE CODE GENERATION ....................................................................................98
17.1 IDLE-CODE PROGRAMMING EXAMPLES..................................................................................................99
18. CHANNEL BLOCKING REGISTERS ................................................................................................103
19. ELASTIC STORES OPERATION........................................................................................................106
19.1 RECEIVE SIDE ........................................................................................................................................109
19.1.1 T1 Mode ............................................................................................................................................109
19.1.2 E1 Mode............................................................................................................................................109
19.2 TRANSMIT SIDE .....................................................................................................................................109
19.2.1 T1 Mode ............................................................................................................................................110
19.2.2 E1 Mode............................................................................................................................................110
19.3 ELASTIC STORES INITIALIZATION .........................................................................................................110
19.4 MINIMUM DELAY MODE .......................................................................................................................110
20. G.706 INTERMEDIATE CRC-4 UPDATING (E1 MODE ONLY)...................................................111
21. T1 BIT-ORIENTED CODE (BOC) CONTROLLER..........................................................................112
21.1 TRANSMIT BOC.....................................................................................................................................112
Transmit a BOC ..............................................................................................................................................112
21.2 RECEIVE BOC .......................................................................................................................................112
Receive a BOC ................................................................................................................................................112
22. ADDITIONAL (SA) AND INTERNATIONAL (SI) BIT OPERATION (E1 ONLY) ......................115
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